How battery-powered aircraft deliver medical supplies in Rwanda and Ghana Read more
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Drones
How battery-powered aircraft deliver medical supplies in Rwanda and Ghana
Nasa鈥檚 Curiosity rover parachute
The supersonic parachute which helped land Nasa鈥檚 Curiosity rover on Mars in 2012
World Wise Web: Part one
Teenagers meet pioneers whose inventions shaped our digital world
World Wise Web: Part two
Teenagers meet pioneering inventors, including the creator of the first mobile phone
